5:24 p.m.
NullPointException during flush if getSnapshot return null
----------------------------------------------------------
Key: HHH-2937
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.2
Environment: Windows
Reporter: Emilio Dolce
The method equalsSnapshot of the PersistentBag class do not check if returned snapshot is
null causing a NullPointException.
Please che the next condition with this:
if ( sn == null || sn.size()!=bag.size() ) return false;
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6:50 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2937) NullPointException during flush if getSnapshot return null
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937?page=c...
]
Gail Badner commented on HHH-2937:
----------------------------------
Did you see a NullPointerException actually thrown, or did you just notice that the check
was not being done?
If you did see a NullPointerException get thrown, then please attach a runnable test case
(Java + mapping) and a complete stacktrace so we can track down why
PersistentBag.equalsSnapshot() is being called when the snapshot is null, since this
condition could be due to a bug.
NullPointException during flush if getSnapshot return null
----------------------------------------------------------
Key: HHH-2937
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.2
Environment: Windows
Reporter: Emilio Dolce
The method equalsSnapshot of the PersistentBag class do not check if returned snapshot is
null causing a NullPointException.
Please che the next condition with this:
if ( sn == null || sn.size()!=bag.size() ) return false;
--
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9:28 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2937) NullPointException during flush if getSnapshot return null
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937?page=c...
]
Emilio Dolce commented on HHH-2937:
-----------------------------------
It is a real NPE, but I'm sorry I have not a test case for this issue to be executed
in isolation.
It is related to a delete operation of a parent entity with a filled one-to-many relation,
recovered from the http session, so launched into a new hibernate session.
Therefore I think that is correct to assume that, if a snapshot is not found, the
collection is to be considered dirty.
For the moment I resolved this issue by creating a custom PersistentBag that overwrite the
equalsSnapshot method.
Thanks for a very prompt answer.
NullPointException during flush if getSnapshot return null
----------------------------------------------------------
Key: HHH-2937
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.2
Environment: Windows
Reporter: Emilio Dolce
The method equalsSnapshot of the PersistentBag class do not check if returned snapshot is
null causing a NullPointException.
Please che the next condition with this:
if ( sn == null || sn.size()!=bag.size() ) return false;
--
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7:24 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2937) NullPointException during flush if getSnapshot return null
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937?page=c...
]
Thomas Hallgren commented on HHH-2937:
--------------------------------------
I just got a NullPointerException in that method. I'm not sure what's causing it.
The same named query has been issued several times before this happens. I'm using
JBoss 4.2.3.
Caused by: java.lang.NullPointerException
at org.hibernate.collection.PersistentBag.equalsSnapshot(PersistentBag.java:80)
at org.hibernate.engine.CollectionEntry.dirty(CollectionEntry.java:149)
at org.hibernate.engine.CollectionEntry.preFlush(CollectionEntry.java:174)
at
org.hibernate.event.def.AbstractFlushingEventListener.prepareCollectionFlushes(AbstractFlushingEventListener.java:160)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:69)
at
org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:35)
at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:969)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1114)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:80)
NullPointException during flush if getSnapshot return null
----------------------------------------------------------
Key: HHH-2937
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.2.2
Environment: Windows
Reporter: Emilio Dolce
The method equalsSnapshot of the PersistentBag class do not check if returned snapshot is
null causing a NullPointException.
Please che the next condition with this:
if ( sn == null || sn.size()!=bag.size() ) return false;
--
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10:07 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2937) NullPointException during flush if getSnapshot return null
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937?page=c...
]
Thomas Hallgren commented on HHH-2937:
--------------------------------------
I tried the same code using JBoss 4.2.3 with Hibernate 3.3.1. Same issue but slightly
different line numbers in the stack trace:
Caused by: java.lang.NullPointerException
at org.hibernate.collection.PersistentBag.equalsSnapshot(PersistentBag.java:103)
at org.hibernate.engine.CollectionEntry.dirty(CollectionEntry.java:172)
at org.hibernate.engine.CollectionEntry.preFlush(CollectionEntry.java:197)
at
org.hibernate.event.def.AbstractFlushingEventListener.prepareCollectionFlushes(AbstractFlushingEventListener.java:183)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:92)
at
org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:58)
at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:996)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1141)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)
at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:88)
NullPointException during flush if getSnapshot return null
----------------------------------------------------------
Key: HHH-2937
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.2.2
Environment: Windows
Reporter: Emilio Dolce
The method equalsSnapshot of the PersistentBag class do not check if returned snapshot is
null causing a NullPointException.
Please che the next condition with this:
if ( sn == null || sn.size()!=bag.size() ) return false;
--
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4 comments
3 participants
participants (3)
-
Emilio Dolce (JIRA) -
Gail Badner (JIRA)
-
Thomas Hallgren (JIRA)